Foundation November 2019 Unit 2 Q10
10.
(a) Fatima writes down three square numbers.
The total of the square numbers is 30.
Which square numbers did Fatima write down? [3]
The total of the square numbers is 30.
Which square numbers did Fatima write down? [3]
The numbers which Fatima wrote are …………… , …………… and ……………
(b) Cadfan writes down four positive odd numbers.
The mode of his numbers is 7.
The median of his numbers is 6.
Which odd numbers could Cadfan have written down? [3]
The mode of his numbers is 7.
The median of his numbers is 6.
Which odd numbers could Cadfan have written down? [3]
The numbers Cadfan could have written are …………… , …………… , …………… and ……………
| Scheme | Marks | Comments |
|---|---|---|
| 1, 4 and 25 | B3 | Answer space takes precedence. Accept 12, 22 and 52. B2 for writing three numbers which add to 30, two of which are square (e.g. 16, 9, 5). B1 for writing three numbers:
SC1 for an unsupported answer of 1, 2 and 5 |
| Scheme | Marks | Comments |
|---|---|---|
| 1, 5, 7, 7 OR 3, 5, 7, 7 | B3 | Answer space takes precedence. B2 for writing four odd and positive numbers (not 7, 7, 7, 7) which fulfil one of the conditions:
B1 for writing four numbers which fulfil only one of the conditions:
|